Question

A speedboat moves at a rate of 25 km/hr in still water. How long will it take

someone to ride the boat 87 km downstream if the river's current moves at a rate of
4 km/hr?

Answer 1

3 hours

Explanation:

Downstream, the speeds add up:

• 25 + 4 = 29 km/h

It will take:

• 87/29= 3 hrs

To ride 87 km.